Intro
Atlas (2024) stands approximately 1,500 mm tall and weighs approximately 89 kg. No official Boston Dynamics specification sheet was published for the 2024 research-phase electric Atlas; the physical dimensions and weight are widely cited third-party estimates. The robot's defining architectural feature is its custom high-powered electric actuators, manufactured using advanced 3D printing in titanium and aluminium, which replace the hydraulic system entirely and deliver components that are simultaneously lighter and stronger than their hydraulic counterparts. These actuators enable joints to rotate beyond human range of motion, with 360-degree rotation confirmed at the hip, waist, and neck. The estimated 28 degrees of freedom figure in third-party sources is unconfirmed by Boston Dynamics for this research iteration; the confirmed production figure of 56 DoF was published only for the Atlas (2026) at CES. The actuator design achieves 85 to 90% electrical-to-mechanical efficiency and sub-10 cm foot-placement precision across the locomotion system.
The AI compute platform is confirmed as NVIDIA Jetson Thor, announced via official Boston Dynamics press release on 18 March 2025. Jetson Thor runs complex multimodal AI models that work alongside Boston Dynamics' whole-body control and manipulation controller stack. The robot employs transformer-based perception and decision modules, with locomotion and manipulation policies developed and trained using NVIDIA Isaac Lab. The sensor suite includes a Time-of-Flight (ToF) camera, stereo vision, RGB-D cameras, IMUs operating at 1 kHz, and joint encoders operating at 4 kHz, enabling high-precision state estimation and 3D environmental mapping. LiDAR is present on the 2024 research version per the current Aparobot verified data; this was replaced by a tactile sensor and 360-degree camera suite in the 2026 production model. Battery specifications, battery runtime, payload, and precise walking speed were not officially published by Boston Dynamics for the 2024 research Atlas. The robot was not commercially sold during its operational period from April 2024 through January 2026.












